package com.itheima.service;

import com.itheima.pojo.BusinessReportData;
import com.itheima.pojo.MemberReport;
import com.itheima.pojo.SetmealReport;

import javax.servlet.http.HttpServletResponse;

public interface ReportService {

    /**
     * 获取会员数量统计数据
     * @return
     */
    MemberReport getMemberReport();

    /**
     * 获取套餐占比统计数据
     * @return
     */
    SetmealReport getSetmealReport();

    /**
     * 获取运营统计数据
     * @return
     */
    BusinessReportData getBusinessReportData();

    /**
     * 导出运营数据到Excel并提供客户端下载
     */
    void exportBusinessReport(HttpServletResponse response);
}
